570 AVES. 



liDrn or crest ; tarsus smooOi ; three fore toes united by a membrane; th» 

 hallux articulated to the tarsus ; tail short, bent downward. 



Numida meleagris. — The Pintado, or Guinea Fowl. Plate xL fig. 1. De- 

 Bcribed, vol. iii. p. 1"29. 



Gemi^ %—P A.V'X.l.—Temminck. 



Generic Character. — Bill short, strong, arcuated, compressed, and convex ; 

 base of the upper mandible dilated into a hard corneous substance ; nostrils 

 basal, lateral, open below ; tarsus long, strong, and smooth ; three anterior 

 tiies united by membranes ; hallux articulated to the tarsus, touching the 

 ground at its point ; wings short. 



Pauxi gateata, — The Galeated Curassow. Plate xxx. fig. 10. Described, 

 vol. iii. p. 124-. 



Genus 10.— CRAX.— 7,!«n<EU«. 



Generic Character. — Bill long, robust, compressed, incurved from the 

 centre to the point, with a cere at its base ; nostrils lateral, situated in the 

 cere, partly covered, open in front ; top of the head surmoiuited by a crest 

 of arched protruding feathers ; three anterior toes adhering at the base ; 

 hallux articulated to the tarsus ; tail broad, pendulous. 



Cra.v alector. — The Crested Curassow. Plate xl. fig. 2. Described, vol. 

 iii. p. 123. 



Getms U.— PENELOPE.— ZmniEus. 



Genei'ic Character — Bill medium size, broader than deep, compressed, 

 and arcuated at tip ; nostrils lateral, half covered by a membrane, and open 

 in front ; cheeks naked ; a longitudinal wattle beneath the bill, extending 

 down the throat, capable of being inflated or depressed at will, carunculatcd 

 in the middle ; tarsus long, reticulated ; anterior toes strong, united by 

 membranes ; hallux parallel with the toes; wings short, the sixth quill the 

 longest. 



Penelope t/iarai!.— The Marail. Plate xxxix*. fig. 6. Described, vol. 

 iii p. 123, as the Guan. 



Genus 12.— TETUAO.— Linnaeus. 



Generic Character.— Bi\l short, robust, arcuated above, convex, and bent 

 downwards at the tip, naked at the base ; nostrils basal, half closed by an 

 arcuated scale above, and hidden by small feathers ; tarsus clothed with fea- 

 thers, which, in some species, extend the length of the claws ; three toes 

 before, united to the first joint ; the hallux margined by asperities. 



Section 1.— With the tarsus only feathered; edges of the toes deeply bor- 

 dered with a fringed margin. 



Tetrao urogaUus — The Cock of the Woods. Plate xl. fig. 3. Described, 

 vol. iii. P' 13K 



Section "2. — With tarsus and toes feathered ; tail square at the end. 

 Tetrao Idgopus.—The Ptarmigan. Plate xl. fig. 4 Described, vol. iii. 

 p. 138. 



Genus 13 — PETROCLES.— TemmmcA. 



Generic Character — Bill of meuium length, compressed and s'cuder in 



